tests/command/trimmed-mean.sh

   1 #!/bin/sh
   2
   3 # This program tests  the Trimmed Mean calculation, in the case
   4 # where the data is weighted towards the centre
   5
   6 TEMPDIR=/tmp/pspp-tst-$$
   7 TESTFILE=$TEMPDIR/`basename $0`.sps
   8
   9 here=`pwd`;
  10
  11 # ensure that top_srcdir is absolute
  12 cd $top_srcdir; top_srcdir=`pwd`
  13
  14 STAT_CONFIG_PATH=$top_srcdir/config
  15 export STAT_CONFIG_PATH
  16
  17
  18 cleanup()
  19 {
  20      rm -rf $TEMPDIR
  21 }
  22
  23
  24 fail()
  25 {
  26     echo $activity
  27     echo FAILED
  28     cleanup;
  29     exit 1;
  30 }
  31
  32
  33 no_result()
  34 {
  35     echo $activity
  36     echo NO RESULT;
  37     cleanup;
  38     exit 2;
  39 }
  40
  41 pass()
  42 {
  43     cleanup;
  44     exit 0;
  45 }
  46
  47 mkdir -p $TEMPDIR
  48
  49 cd $TEMPDIR
  50
  51
  52 activity="create program"
  53 cat > $TESTFILE <<EOF
  54 DATA LIST LIST /X * C *.
  55 BEGIN DATA.
  56 1 1
  57 2 49
  58 3 2
  59 END DATA.
  60
  61 WEIGHT BY c.
  62
  63 EXAMINE
  64         x
  65         /STATISTICS=DESCRIPTIVES
  66         .
  67 EOF
  68 if [ $? -ne 0 ] ; then no_result ; fi
  69
  70
  71 activity="run program"
  72 $SUPERVISOR $here/../src/pspp -o raw-ascii $TESTFILE
  73 if [ $? -ne 0 ] ; then no_result ; fi
  74
  75
  76 activity="compare results"
  77 diff -b -B $TEMPDIR/pspp.list - << EOF
  78 1.1 DATA LIST.  Reading free-form data from the command file.
  79 +--------+------+
  80 |Variable|Format|
  81 #========#======#
  82 |X       |F8.0  |
  83 |C       |F8.0  |
  84 +--------+------+
  85
  86 2.1 EXAMINE.  Case Processing Summary
  87 #=#===============================#
  88 # #             Cases             #
  89 # #----------+---------+----------#
  90 # #   Valid  | Missing |   Total  #
  91 # #--+-------+-+-------+--+-------#
  92 # # N|Percent|N|Percent| N|Percent#
  93 #=#==#=======#=#=======#==#=======#
  94 #X#52|   100%|0|     0%|52|   100%#
  95 #=#==#=======#=#=======#==#=======#
  96
  97 2.2 EXAMINE.  Descriptives
  98 #============================================#=========#==========#
  99 #                                            #Statistic|Std. Error#
 100 #============================================#=========#==========#
 101 #XMean                                       #   2.02  |   .034   #
 102 # 95% Confidence Interval for MeanLower Bound#  2.021  |          #
 103 #                                 Upper Bound#  2.017  |          #
 104 # 5% Trimmed Mean                            #   2.00  |          #
 105 # Median                                     #   2.00  |          #
 106 # Variance                                   #   .058  |          #
 107 # Std. Deviation                             #   .242  |          #
 108 # Minimum                                    #  1.000  |          #
 109 # Maximum                                    #  3.000  |          #
 110 # Range                                      #  2.000  |          #
 111 # Interquartile Range                        #   .00   |          #
 112 # Skewness                                   #  1.194  |   .330   #
 113 # Kurtosis                                   #  15.732 |   .650   #
 114 #============================================#=========#==========#
 115
 116 EOF
 117 if [ $? -ne 0 ] ; then fail ; fi
 118
 119 pass